Question

7/4-2/4

10/5-7/5

12/9-4/9

20/10-9/10

21/18-3/8 ayudaa plis

Answer 1

$\frac{1}{4} - \frac{2}{4} = - \frac{1}{4} \\ \frac{10}{5} - \frac{7}{5} = \frac{3}{5} \\ \frac{12}{10} - \frac{9}{10} = \frac{3}{10}$

:') ..... :') ...... :')

Answer 2

¡Hola!

7/4-2/4

R= 1.25

10/5-7/5

R= 0.6

12/9-4/9

R= 0.8

20/10-9/10

R= 1.1

21/18-3/8

R= 0.7916

Espero te ayude :-)

Linda tarde <3